aboutsummaryrefslogtreecommitdiffstats
path: root/net/batman-adv
diff options
context:
space:
mode:
authorMarek Lindner <lindner_marek@yahoo.de>2013-05-07 19:25:02 +0800
committerAntonio Quartulli <ordex@autistici.org>2013-05-09 12:39:44 +0200
commit7da19971a9da9c5e63d259c9a8a566f071dc95d0 (patch)
tree8d41bbb80871afc29ce0db4014a8e2c551e898e5 /net/batman-adv
parent293c9c1cef6be46ad72b528fa79c3ff034551fe0 (diff)
batman-adv: check return value of pskb_trim_rcsum()
Reported-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de> Acked-by: Martin Hundebøll <martin@hundeboll.net> Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Diffstat (limited to 'net/batman-adv')
-rw-r--r--net/batman-adv/network-coding.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/net/batman-adv/network-coding.c b/net/batman-adv/network-coding.c
index f7c54305a918..e84629ece9b7 100644
--- a/net/batman-adv/network-coding.c
+++ b/net/batman-adv/network-coding.c
@@ -1514,6 +1514,7 @@ batadv_nc_skb_decode_packet(struct batadv_priv *bat_priv, struct sk_buff *skb,
struct ethhdr *ethhdr, ethhdr_tmp;
uint8_t *orig_dest, ttl, ttvn;
unsigned int coding_len;
+ int err;
/* Save headers temporarily */
memcpy(&coded_packet_tmp, skb->data, sizeof(coded_packet_tmp));
@@ -1568,8 +1569,11 @@ batadv_nc_skb_decode_packet(struct batadv_priv *bat_priv, struct sk_buff *skb,
coding_len);
/* Resize decoded skb if decoded with larger packet */
- if (nc_packet->skb->len > coding_len + h_size)
- pskb_trim_rcsum(skb, coding_len + h_size);
+ if (nc_packet->skb->len > coding_len + h_size) {
+ err = pskb_trim_rcsum(skb, coding_len + h_size);
+ if (err)
+ return NULL;
+ }
/* Create decoded unicast packet */
unicast_packet = (struct batadv_unicast_packet *)skb->data;

Privacy Policy